On Wed, Jan 12, 2022 at 05:46:05PM +0000, Biju Das wrote: > The RZ/G2L MIPI DSI TX is embedded in the Renesas RZ/G2L family SoC's. It > can operate in DSI mode, with up to four data lanes. > > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > --- > .../bindings/display/bridge/renesas,dsi.yaml | 143 ++++++++++++++++++ > 1 file changed, 143 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml > > diff --git a/Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml b/Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml > new file mode 100644 > index 000000000000..8e56a9c53cc5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml > @@ -0,0 +1,143 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/bridge/renesas,dsi.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Renesas R-Car MIPI DSI Encoder > + > +maintainers: > + - Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > + > +description: | > + This binding describes the MIPI DSI encoder embedded in the Renesas > + RZ/G2L family of SoC's. The encoder can operate in DSI mode with up > + to four data lanes. Need a ref to dsi-controller.yaml. > + > +properties: > + compatible: > + enum: > + - renesas,r9a07g044-mipi-dsi # for RZ/G2L > + > + reg: > + items: > + - description: Link register > + - description: D-PHY register D-PHY isn't a separate block? > + > + clocks: > + items: > + - description: DSI D-PHY PLL multiplied clock > + - description: DSI D-PHY system clock > + - description: DSI AXI bus clock > + - description: DSI Register access clock > + - description: DSI Video clock > + - description: DSI D_PHY Escape mode Receive clock > + > + clock-names: > + items: > + - const: pllclk > + - const: sysclk > + - const: aclk > + - const: pclk > + - const: vclk > + - const: lpclk > + > + power-domains: > + maxItems: 1 > + > + resets: > + items: > + - description: MIPI_DSI_CMN_RSTB > + - description: MIPI_DSI_ARESET_N > + - description: MIPI_DSI_PRESET_N > + > + reset-names: > + items: > + - const: rst > + - const: arst > + - const: prst > + > + ports: > + $ref: /schemas/graph.yaml#/properties/ports > + > + properties: > + port@0: > + $ref: /schemas/graph.yaml#/properties/port > + description: Parallel input port > + > + port@1: > + $ref: /schemas/graph.yaml#/$defs/port-base > + unevaluatedProperties: false > + description: DSI output port > + > + properties: > + endpoint: > + $ref: /schemas/media/video-interfaces.yaml# > + unevaluatedProperties: false > + > + properties: > + data-lanes: > + minItems: 1 > + maxItems: 4 > + > + required: > + - data-lanes > + > + required: > + - port@0 > + - port@1 > + > +required: > + - compatible > + - reg > + - clocks > + - clock-names > + - power-domains > + - resets > + - reset-names > + - ports > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/r9a07g044-cpg.h> > + > + dsi0: dsi@10860000 { > + compatible = "renesas,r9a07g044-mipi-dsi"; > + reg = <0x10860000 0x10000>, > + <0x10850000 0x10000>; > + power-domains = <&cpg>; > + clocks = <&cpg CPG_MOD R9A07G044_MIPI_DSI_PLLCLK>, > + <&cpg CPG_MOD R9A07G044_MIPI_DSI_SYSCLK>, > + <&cpg CPG_MOD R9A07G044_MIPI_DSI_ACLK>, > + <&cpg CPG_MOD R9A07G044_MIPI_DSI_PCLK>, > + <&cpg CPG_MOD R9A07G044_MIPI_DSI_VCLK>, > + <&cpg CPG_MOD R9A07G044_MIPI_DSI_LPCLK>; > + clock-names = "pllclk", "sysclk", "aclk", "pclk", "vclk", "lpclk"; > + resets = <&cpg R9A07G044_MIPI_DSI_CMN_RSTB>, > + <&cpg R9A07G044_MIPI_DSI_ARESET_N>, > + <&cpg R9A07G044_MIPI_DSI_PRESET_N>; > + reset-names = "rst", "arst", "prst"; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + dsi0_in: endpoint { > + remote-endpoint = <&du_out_dsi0>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + dsi0_out: endpoint { > + data-lanes = <1 2 3 4>; > + remote-endpoint = <&adv7535_in>; > + }; > + }; > + }; > + }; > +... > -- > 2.17.1 > >
